Internal-combustion engines – Charge forming device – Combined liquid and gaseous fuel
Reexamination Certificate
2005-01-18
2005-01-18
Yuen, Henry O. (Department: 3747)
Internal-combustion engines
Charge forming device
Combined liquid and gaseous fuel
Reexamination Certificate
active
06843236
ABSTRACT:
The present invention provides a multi-phase fuel system for an internal combustion engine. More specifically, when the multi-phase fuel system is applied to a vehicle, the higher volatility. (lower boiling temperature) components of fuel are supplied to the engine in a vaporized gaseous form while the lower volatility (higher boiling temperature) components of fuel are supplied to the engine in an atomized liquid form. In this manner, the multi-phase fuel system is capable of providing a more optimum lean air/fuel mixture for better fuel economy and emissions control during normal operating conditions while being able to quickly enrich the fuel mixture in response to sudden increases in load demand.
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Benton Jason
Yuen Henry O.
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